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2. The ultimate guide to computer health: How to ensure optimal ...

   www.aol.com/lifestyle/the-ultimate-guide-to...

   System monitoring and diagnostic software: System monitoring and diagnostic software enable you to track your computer's performance and diagnose issues as they arise. Seeking professional help ...

3. Why is my computer so slow? - AOL

   www.aol.com/products/blog/why-is-my-computer-so-slow

   To help diagnose and address the underlying issues of a slow computer, be on the lookout for these key indicators: ... Computer Hardware issues. It could be that hardware is actually slowing down ...

4. Diagnostic program - Wikipedia

   en.wikipedia.org/wiki/Diagnostic_program

   A diagnostic program (also known as a test mode) is an automatic computer program sequence that determines the operational status within the software, hardware, or any combination thereof in a component, a system, or a network of systems. Diagnostic programs ideally provide the user with guidance regarding any issues or problems found during ...

5. Troubleshooting - Wikipedia

   en.wikipedia.org/wiki/Troubleshooting

   Troubleshooting is a form of problem solving, often applied to repair failed products or processes on a machine or a system. It is a logical, systematic search for the source of a problem in order to solve it, and make the product or process operational again. Troubleshooting is needed to identify the symptoms.

6. DirectX Diagnostic Tool - Wikipedia

   en.wikipedia.org/wiki/DirectX_Diagnostic_Tool

   DirectX Diagnostic Tool displays information about the current display settings and the video hardware on the Display tab. If the computer has more than one monitor, then DirectX Diagnostic Tool will display a separate tab for each monitor. This tab can disable DirectDraw, Direct3D, and/or AGP Texture Acceleration for troubleshooting purposes.

7. Hard disk drive failure - Wikipedia

   en.wikipedia.org/wiki/Hard_disk_drive_failure

   Gradual hard-drive failure can be harder to diagnose, because its symptoms, such as corrupted data and slowing down of the PC (caused by gradually failing areas of the hard drive requiring repeated read attempts before successful access), can be caused by many other computer issues, such as malware.

8. Power-on self-test - Wikipedia

   en.wikipedia.org/wiki/Power-on_self-test

   Delays beginning the tests a fraction of a second to allow the hardware to stabilize. Jumps to ROM code in diagnostic card (if found) Disables and clears all DMA and interrupts. Turns on the screen. Checks the general hardware configuration. If the screen remains a light gray color and the tests continue, the hardware is OK.

9. System Information (Windows) - Wikipedia

   en.wikipedia.org/wiki/System_Information_(Windows)

   System Information (msinfo32.exe) is a system profiler included with Microsoft Windows that displays diagnostic and troubleshooting information related to the operating system, hardware and software. [1] [2] It has been bundled with Windows since Windows NT 4.0.